Rock, Stone, Gravel, Trass, Shell Or Carbonate Containing (e.g., Limestone, Etc.) Patents (Class 106/817)
  • Patent number: 11286214
    Abstract: An obscurant-emitting composition may comprise an oxidizer comprising a cation comprising at least one of an alkali metal or an alkaline earth metal, and an anion comprising at least one of nitrate, chlorate, bromate, iodate, perchlorate, periodate, or chlorite; a fuel; and a hydrated salt composition, wherein the obscurant-emitting composition comprises between 0.001% and 8% by weight hydrated salt composition.
    Type: Grant
    Filed: November 19, 2019
    Date of Patent: March 29, 2022
    Assignee: Goodrich Corporation
    Inventors: Karl G. Reimer, Jean C. Rodriguez
  • Patent number: 10519074
    Abstract: An obscurant-emitting composition may comprise an oxidizer comprising a cation comprising at least one of an alkali metal or an alkaline earth metal, and an anion comprising at least one of nitrate, chlorate, bromate, iodate, perchlorate, periodate, or chlorite; a fuel; and a hydrated salt composition, wherein the obscurant-emitting composition comprises between 0.001% and 8% by weight hydrated salt composition.
    Type: Grant
    Filed: September 20, 2016
    Date of Patent: December 31, 2019
    Assignee: GOODRICH CORPORATION
    Inventors: Karl G. Reimer, Jean C. Rodriguez
  • Patent number: 9802861
    Abstract: Process for the preparation of cement/mortar/concrete compositions or systems, (for simplicity hereafter “cement” compositions or systems or even “cements”), of a generally known type containing low or medium (standard) “filler(s)”, and/or optionally HP filler(s), as carbonate-based filler(s), namely coarse low or medium calcium carbonate(s), namely coarse marble(s); Product comprising, or consisting of, the pre-blend (A) of coarse, low or medium (or optionally HP) “calcium carbonate-based filler” pre-blended with at least an UF; Aqueous compositions (B) obtained by mixing the above pre-blend (A) of coarse filler(s) with UF(s) with an aqueous system such as mix water, aqueous mix fluid; Product (C) consisting of, or comprising, the pre-blend (A) or the compositions (B), treated or pretreated with at least one superplastifier or aqueous system containing superplastifier(s); Cement and Use of cement.
    Type: Grant
    Filed: February 27, 2013
    Date of Patent: October 31, 2017
    Assignee: Omya International AG
    Inventors: Michael Skovby, Pascal Gonnon
  • Patent number: 9499742
    Abstract: The method for enhancing strength and durability of weak soils includes the steps of selecting a weak soil, such as marl or dune sand, mixing the weak soil with 2% cement by weight and between 5% and 30% by weight of Electric Arc Furnace Dust (EAFD) to form a dry mixture, mixing the dry mixture with water to form a substantially homogenized mixture, and curing the homogenized mixture, wherein curing can include the step of sealing the homogenized mixture in an environment having a temperature between 19° C. and 25° C., inclusive, for seven days.
    Type: Grant
    Filed: December 16, 2014
    Date of Patent: November 22, 2016
    Assignee: KING FAHD UNIVERSITY OF PETROLEUM AND MINERALS
    Inventors: Omar Saeed M. Baghabra Al-Amoudi, Abdullah Ahmed Khaled Al-Homidy, Mohammed Maslehuddin, Tawfik Abdo Saleh
  • Patent number: 9428420
    Abstract: A concrete comprises in relative parts by weight: 100 of Portland cement; 0.25 to 9 of a defoamer; 0.001 to 6 of a surfactant; 0 to 230 of coarse gravel and/or fine gravel and/or shear enhancers; 0 to 85 of sand; 0 to 60 of a particulate pozzolanic or non-pozzolanic material or a mixture thereof having a mean particle size less than 15 micrometers; 0 to 80 of a particulate pozzolanic or non-pozzolanic material or a mixture thereof having a mean particle size between 15 to 88 micrometers; 0.3 to 18 of a water-reducing superplasticizer; 0 to 14 of polyethylene fibers; and 5 to 40 of water. An air mixing process using a tightly sealed mixing tool is used to thoroughly mix the constituents of the concrete before adding the water for curing. By adjusting relative parts in the composition, concretes of high and ultrahigh performance can be achieved efficiently.
    Type: Grant
    Filed: August 14, 2014
    Date of Patent: August 30, 2016
    Assignee: SPACE COATINGS INC.
    Inventors: Sean Peishen Feng, Kathleen Marie Rai
  • Patent number: 9022228
    Abstract: A domestic appliance filter for use in a laundry treatment device includes a basic filter material with a hydrophobic coating for filtering out matter from a process water duct or a process air duct. The basic filter material includes a material which is resistant to temperatures of 160° C. or more and the hydrophobic coating on the basic filter material effects a surface energy of less than 35 mN/m.
    Type: Grant
    Filed: December 1, 2009
    Date of Patent: May 5, 2015
    Assignee: BSH Bosch und Siemens Hausgeräte GmbH
    Inventor: Klaus Grunert
  • Publication number: 20150096464
    Abstract: Provided herein are compositions and methods including hydraulic cement, supplementary cementitious material, and/or self-cementing material. Methods for making the compositions and using the compositions are provided.
    Type: Application
    Filed: December 8, 2014
    Publication date: April 9, 2015
    Inventors: Irvin CHEN, Miguel FERNANDEZ, Joshua PATTERSON, Martin DEVENNEY
  • Patent number: 8992679
    Abstract: Dry construction pellets that may be made by mixing predetermined portions of two or more components of cementitious materials without ingredients that would allow the mixture to cure, and separating the un-curable mixture of the two or more components into a plurality of pellets, each having substantially the predetermined portions of the two or more components. An extrusion system may include a transport line configured to transport the dry pellets in a gaseous transport stream.
    Type: Grant
    Filed: February 5, 2010
    Date of Patent: March 31, 2015
    Assignee: University of Southern California
    Inventor: Behrokh Khoshnevis
  • Patent number: 8936773
    Abstract: Provided herein are compositions, methods, and systems for a material containing metastable carbonate and stabilizer. Methods for making the compositions and using the compositions are also provided.
    Type: Grant
    Filed: April 26, 2012
    Date of Patent: January 20, 2015
    Assignee: Calera Corporation
    Inventors: Miguel Fernandez, Irvin Chen, Patricia Tung Lee, Matthew Ginder-Vogel
  • Publication number: 20140366781
    Abstract: Process for the preparation of “High performance”, “HP”, or “FLUID”, or “technical”, cement or mortars or concrete systems or compositions (hereafter for simplicity “cements” or “cements systems” or “cement compositions” or “cements”) having an improved compacity, an improved flowability (and globally speaking a definitely improved “workability”; Product consisting of, or comprises, a blend of coarse (or optionally HP) “calcium carbonate-based filler(s)” pre-blended with at least an UF; CEMENT COMPOSITIONS incorporating the said blend or aqueous composition, namely the said blend of low or medium (or optionally HP) coarse filler(s) treated with at least one UF; USE of the said blend, or aqueous compositions and cement composition.
    Type: Application
    Filed: February 27, 2013
    Publication date: December 18, 2014
    Inventors: Michael Skovby, Pascal Gonnon
  • Patent number: 8906156
    Abstract: Provided are compositions, methods and systems including cementitious compositions and reinforcing materials wherein the cementitious composition comprises a metastable component.
    Type: Grant
    Filed: July 27, 2012
    Date of Patent: December 9, 2014
    Assignee: Calera Corporation
    Inventors: Brent R. Constantz, Paulo J. M. Monteiro, Kyle Self, Irvin Chen
  • Publication number: 20140345349
    Abstract: It is described an integrated process for the production of clinker by dry process, with treatment in continuous of by-pass dusts produced by the kiln, wherein the solid matter to treat consists of bypass dusts of a clinker production process, containing compounds of chloride, sodium, potassium and sulphur, such a process comprising the following steps: a) extraction of the bypass dusts directly from the phase of quench, without intermediate storage, at a temperature comprised between 150 and 200° C., with a moisture content varying from 0.1 to 3% by weight, preferably from 0.1 to 0.5% by weight, and with a quantity of calcium carbonate lower than 55% by weight; b) mixing of said dusts coming from step a), within a maximum time comprised between 2 and 10 minutes, preferably lower than about 5 minutes, with water up to a water/dusts ratio varying from 2:1 to 4:1, preferably from 2.5:1 to 3.
    Type: Application
    Filed: January 29, 2013
    Publication date: November 27, 2014
    Inventors: Roberto Fedi, Antonio Clausi, Giovanni Cinti
  • Patent number: 8857118
    Abstract: Hydraulic cement compositions that include a carbonate compound composition, e.g., a salt-water derived carbonate compound composition containing crystalline and/or amorphous carbonate compounds, are provided. Also provided are methods of making and using the hydraulic cements, as well as settable compositions, such as concretes and mortars, prepared therefrom. The cements and compositions produced therefrom find use in a variety of applications, including use in a variety of building materials and building applications.
    Type: Grant
    Filed: October 20, 2010
    Date of Patent: October 14, 2014
    Assignee: Calera Corporation
    Inventors: Brent R. Constantz, Cecily Ryan, Laurence Clodic
  • Publication number: 20140130708
    Abstract: Provided herein are compositions and methods including hydraulic cement, supplementary cementitious material, and/or self-cementing material. Methods for making the compositions and using the compositions are provided.
    Type: Application
    Filed: January 15, 2014
    Publication date: May 15, 2014
    Applicant: CALERA CORPORATION
    Inventors: IRVIN CHEN, MIGUEL FERNANDEZ, JOSHUA PATTERSON, MARTIN DEVENNEY
  • Publication number: 20140123878
    Abstract: The invention relates to a process for the production of binders by calcinating mineral raw material mixtures. In order to improve the process and the quality of the binders, it is proposed that oil shale and/or oil sand fills are converted by targeted agglomeration into particles of a certain size and consistency, wherein the water content for the mechanical stabilization of the agglomerate is adjusted to less than 25 percent and the agglomerates are calcinated to form binders at temperatures between 800 and 1500° C. under reductive conditions over the entire process with a Lambda value <1 in a vertical shaft furnace with updraft gasification. The binding properties are adjusted by the targeted addition of CaO-containing substances and/or existing sulfur fractions of the oil sands and/or oil shales are bound by means of the CaO that is present in the starting material and/or added.
    Type: Application
    Filed: March 16, 2012
    Publication date: May 8, 2014
    Applicant: ECOLOOP GmbH
    Inventors: Thomas Stumpf, Ulf Boenkendorf, Leonhard Baumann, Roland Möller
  • Patent number: 8691175
    Abstract: Systems, methods, and compositions are provided related to utilizing gypsum for CO2 sequestration to form solid products containing calcium carbonate.
    Type: Grant
    Filed: August 3, 2012
    Date of Patent: April 8, 2014
    Assignee: Calera Corporation
    Inventors: Teavor Kendall, William Bourcier, Peng Lu, Geoffrey Garrison
  • Publication number: 20140069303
    Abstract: A plant for producing cement clinker from calcium carbonate-containing raw meal. A preheating stage preheats the raw meal, which preheating stage is heated by exhaust gases from a following sintering stage. A stage is provided for deacidification and sintering of the raw meal. A cooling stage for the sintered meal is of at least two-stage design and has a gas separation stage for separating exhaust gases from the deacidification and sintering stage which is routed in a first gas circuit from the cement clinker cooling gas. A gas/gas heat exchanger is arranged downstream of the preheating stage in the gas flow direction, through which heat exchanger heat from the combined exhaust gases which leave the preheating stage is transferred into a gas, extracted from the gas for cooling the cement clinker, routed in a second gas circuit, for drying the raw meal in a preceding grinding stage.
    Type: Application
    Filed: November 14, 2013
    Publication date: March 13, 2014
    Inventor: Robert Mathai
  • Publication number: 20140069302
    Abstract: The present invention relates to a filler or a filler mixture containing carbonate, as well as to a process for manufacturing the same by precipitating the filler directly into the pulp or, as a separate process without the presence of fibres, particularly from the wire water of the paper or board manufacture. The invention also relates to a fibre product containing this filler, such as a paper or board product, or a plastic, rubber, concrete or paint product.
    Type: Application
    Filed: December 21, 2012
    Publication date: March 13, 2014
    Applicant: NORDKALK OY AB
    Inventors: Sakari Saastamoinen, Teemu Grönblom, Lars Grönroos
  • Patent number: 8652250
    Abstract: A composition used for high-strength impermeable concrete. The composition contains sand, stone, cement, water reducer, water and reinforced impermeable sand. The reinforced impermeable sand includes aeolian sand and binder covering the surface of the aeolian sand. The reinforced impermeable sand can fill the gap between the sand and the stone, and well combine various components in the composition, and suppress the seepage phenomenon of the molded concrete, thereby greatly improving the strength and impermeability of the concrete.
    Type: Grant
    Filed: September 9, 2010
    Date of Patent: February 18, 2014
    Inventors: Shengyi Qin, Yihai Jia, Zhenbang Wang, Huan Wang, Wenxing Hu
  • Patent number: 8636842
    Abstract: Disclosed is a method of manufacturing an artificial stone, and the method includes forming an artificial-stone paste which comprises 20-20 parts by weight of silica stone, metakaolim or silica fume, 200-300 parts by weight of quartz chips, 30-36 parts by weight if water, 1.5-3 part by weight of water-reducing agent and 0.2-3 parts by weight of pigment with response to 100 parts by weight of white cement; injecting the artificial-stone paste in a mold; primarily vacuum-molding the artificial-stone paste injected in the mold; secondarily vibration-molding the primarily molded artificial-stone paste; primarily curing the secondarily molded artificial-stone paste; secondarily curing the primarily cured artificial-stone paste, which induces a hydrothermal reaction and thus causes a pozzolanic reaction; releasing the secondarily cured artificial-stone paste from the mold; and surface-machining the released artificial-stone paste.
    Type: Grant
    Filed: January 11, 2012
    Date of Patent: January 28, 2014
    Assignee: LG Hausys, Ltd.
    Inventor: Chang Hwan Park
  • Patent number: 8598064
    Abstract: New photocatalytic product comprising compounds of titanium integrated with limestone. The product is obtained by reacting limestone with a suitable precursor of titanium dioxide in a basic solution, recovering the product in particular conditions, drying it and calcining it. By operating in presence of sodium, a composite is obtained substantially free from titanium dioxide, containing limestone and calcium titanate. The composite thus obtained, used as such or in mixture with other components, has shown an unexpectedly high photocatalytic activity.
    Type: Grant
    Filed: July 31, 2009
    Date of Patent: December 3, 2013
    Assignee: Italcementi S.p.A.
    Inventors: Renato Ancora, Massimo Borsa, Maurizio Iler Marchi
  • Patent number: 8598068
    Abstract: New photocatalytic product comprising compounds of titanium integrated with limestone. The product is obtained by reacting limestone with a suitable precursor of titanium dioxide in a basic solution, followed by accurately washing the solid obtained, drying it and calcining it. A composite is obtained containing limestone, titanium dioxide and calcium titanate. The composite thus obtained, used as such or in mixture with other components, has shown an unexpectedly high photocatalytic activity.
    Type: Grant
    Filed: July 31, 2009
    Date of Patent: December 3, 2013
    Assignee: Italcementi S.p.A.
    Inventors: Renato Ancora, Massimo Borsa, Maurizio Iler Marchi
  • Patent number: 8580030
    Abstract: A concrete mix useful for producing concrete products having anti-efflorescence properties and a method for making such concrete products are provided. The concrete mix includes a hydraulic cement binder, aggregates and as an additive an ultrafine particulate material including carrier particles being surface treated with an efflorescence control agent. The method for making concrete includes a first step of mixing the hydraulic cement binder, aggregates, water and the ultrafine particulate material, a second step of pouring the mixture so obtained into a form, and a third step of curing the mixture.
    Type: Grant
    Filed: September 17, 2010
    Date of Patent: November 12, 2013
    Assignee: Omya International AG
    Inventors: Berndt Kanduth, Jean-Bernard Gelinas
  • Publication number: 20130284073
    Abstract: A process for reducing the concentration of carbon dioxide in a gas including carbon dioxide and water vapour which process includes contacting the gas with a particulate solid, which solid is a waste material which includes an alkaline earth metal oxide or hydroxide or a mixture thereof and which particulate solid also includes an added alkali metal compound which is an alkali metal hydroxide, carbonate or bicarbonate, or a mixture thereof.
    Type: Application
    Filed: January 10, 2012
    Publication date: October 31, 2013
    Applicant: LAFARGE
    Inventor: Ellis Gartner
  • Publication number: 20130256939
    Abstract: Methods and systems are provided for producing a carbonate precipitation material comprising stable or reactive vaterite from carbide lime that provides both a source of divalent cations (Ca2+ ions, Mg2+ ions, etc.) and a source of proton removing agent.
    Type: Application
    Filed: March 14, 2013
    Publication date: October 3, 2013
    Applicant: CALERA CORPORATION
    Inventors: Martin Devenney, Miguel Fernandez, Irvin Chen, Guillaume Calas
  • Patent number: 8470275
    Abstract: Reduced-carbon footprint concrete compositions, and methods for making and using the same, are provided. Aspects of the reduced-carbon footprint concrete compositions include CO2-sequestering carbonate compounds, which may be present in the hydraulic cement and/or aggregate components of the concrete. The reduced-carbon footprint concrete compositions find use in a variety of applications, including use in a variety of building materials and building applications.
    Type: Grant
    Filed: July 19, 2010
    Date of Patent: June 25, 2013
    Assignee: Calera Corporation
    Inventors: Brent R. Constantz, Andrew Youngs, Terence C. Holland
  • Publication number: 20130104777
    Abstract: A composition used for high-strength impermeable concrete. The composition contains sand, stone, cement, water reducer, water and reinforced impermeable sand. The reinforced impermeable sand includes aeolian sand and binder covering the surface of the aeolian sand. The reinforced impermeable sand can fill the gap between the sand and the stone, and well combine various components in the composition, and suppress the seepage phenomenon of the molded concrete, thereby greatly improving the strength and impermeability of the concrete.
    Type: Application
    Filed: September 9, 2010
    Publication date: May 2, 2013
    Applicant: BEIJING RECHSAND SCIENCE & TECHNOLOGY GROUP CO., LTD.
    Inventors: Shengyi Qin, Yihai Jia, Zhenbang Wang, Huan Wang, Wenxing Hu
  • Publication number: 20120312194
    Abstract: A method for producing a reaction product including at least one synthetic formulation that carbonates sufficiently, said method comprising: providing a first raw material, having a first concentration of M; providing a second raw material, having a second concentration of Me; and mixing the first raw material and the second raw material to produce a reaction product that includes at least one synthetic formulation having the general formula MaMebOc, MaMeb(OH)d, MaMebOc(OH)d or MaMebO(OH)d.(H2O)e, wherein M comprises at least one metal that can react to form a carbonate and Me is at least one element that can form an oxide during the carbonation reaction, wherein the at least one synthetic formulation is capable of undergoing a carbonation reaction, and wherein the at least one synthetic formulation is capable of undergoing volume change during the carbonation reaction.
    Type: Application
    Filed: June 7, 2012
    Publication date: December 13, 2012
    Applicant: RUTGERS, THE STATE UNIVERSITY OF NEW JERSEY
    Inventors: Richard E. RIMAN, Thomas E. NYE, Vahit ATAKAN, Cekdar VAKIFAHMETOGLU, Qinghua LI, Ling TANG
  • Publication number: 20120227634
    Abstract: Provided are a method of dry-grinding calcium carbonate in the presence of a grinding aid agent which is a copolymer of (meth)acrylic acid with a monomer containing an alkoxy or hydroxy polyalkyleneglycol group, and a method of producing a hydraulic binder base including dry grinding a calcium carbonate in the presence of the grinding aid.
    Type: Application
    Filed: May 23, 2012
    Publication date: September 13, 2012
    Applicant: COATEX S.A.S.
    Inventors: Jean-Marc SUAU, Jacques Mongoin, Yves Kensicher, Olivier Guerret
  • Publication number: 20120211421
    Abstract: Systems and methods for lowering levels of carbon dioxide and other atmospheric pollutants are provided. Economically viable systems and processes capable of removing vast quantities of carbon dioxide and other atmospheric pollutants from gaseous waste streams and sequestering them in storage-stable forms are also discussed.
    Type: Application
    Filed: March 1, 2012
    Publication date: August 23, 2012
    Inventors: KYLE SELF, Kasra Farsad, Robert W. Elliott, Brian Curtis, Srikanth Bellur, Miguel Fernandez, Philip Brian Tuet
  • Patent number: 8236720
    Abstract: The invention relates to an unshaped refractory material comprising a refractory base component and a binder component, the binder component comprising, related to the refractory material, an acidic component of the group comprising an acid, salt of an acid, ester of an acid, salt and ester of an acid as phosphate, sulfate or carbonate, in an amount of ?1.5 wt.-% and ?6 wt.-%, and a basic component of the group comprising: base, urotropin, calcium oxide, calcium hydroxide, magnesium oxide, caustic MgO, sodium hydroxide, potassium hydroxide, magnesium hydroxide, in an amount of ?1 wt.-% and ?4 wt.-%, wherein said material receives an earth-moist, crumbly consistency by addition of 1 to 5 wt.-% of water and which solidifies after an exothermic reaction of the binder component.
    Type: Grant
    Filed: July 1, 2008
    Date of Patent: August 7, 2012
    Assignee: Refractory Intellectual Property GmbH & Co. KG
    Inventors: Bernd Petritz, Alfons Lüftenegger
  • Patent number: 8221533
    Abstract: A method to render stone, ceramic, or cementitious structures water repellent is disclosed. The method includes the step of contacting the stone, ceramic, or cementitious structures with an alkylphosphonic acid. The alkylphosphonic acid can be dispersed in an aqueous medium and can be at least partially neutralized with ammonia, an amine, or a basic alkali salt.
    Type: Grant
    Filed: July 6, 2011
    Date of Patent: July 17, 2012
    Assignee: H20 Barrier Technologies LLC
    Inventors: Mark Rule, Harry Harshaw
  • Publication number: 20120174832
    Abstract: A method of producing cement clinker including the steps of preheating raw meal comprising calcium carbonate in a preheating stage that is preheated by the exhaust gases of a sintering stage connected downstream in the direction of the gas flow, neutralizing the preheated raw meal, sintering the raw meal into cement clinker in a sintering stage, and cooling the cement clinker from the sintering stage in a cooling stage that cools the cement clinker with a gas. The exhaust gases of the sintering stage are combined with the exhaust gases of the neutralization, and the combined exhaust gases are conducted in an open gas circuit. The CO2 emissions are substantially reduced over known systems with CO separation, and the formation of nitrogen oxides by the combustion of atmospheric nitrogen in the oxidative environment of the sintering stage burner is almost completely prevented.
    Type: Application
    Filed: August 12, 2010
    Publication date: July 12, 2012
    Applicant: KHD HUMBOLDT WEDAG GMBH
    Inventor: Robert Mathai
  • Patent number: 8210261
    Abstract: A method of well construction or treatment comprising the introduction of a settable cement that contains pulverulent aplite down a borehole is provided, together with a cement composition comprising at least 30% by weight of cement pulverulent aplite on a dry solid basis.
    Type: Grant
    Filed: April 26, 2006
    Date of Patent: July 3, 2012
    Assignee: Statoil ASA
    Inventors: Rune Godøy, Hallvar Eide, Arild Saasen
  • Publication number: 20120145047
    Abstract: Provided herein are compositions and methods including hydraulic cement, supplementary cementitious material, and/or self-cementing material. Methods for making the compositions and using the compositions are provided.
    Type: Application
    Filed: January 13, 2012
    Publication date: June 14, 2012
    Inventors: Brent R. Constantz, Kasra Farsad, Chris Camire, Joshua Patterson, Miguel Fernandez, Karin Yaccato, Ryan Thatcher, John Stagnaro, Irvin Chen, Sidney Omelon, Keith Hodson, Laurence Clodic, Katharine Geramita, Terence C. Holland
  • Patent number: 8187589
    Abstract: The present invention relates to a process for stabilizing aqueous preparations of minerals by adding reuterin to the aqueous preparations, to the use of reuterin for the stabilization of such aqueous mineral preparations, and the aqueous mineral preparations containing reuterin.
    Type: Grant
    Filed: August 19, 2009
    Date of Patent: May 29, 2012
    Assignee: Omya Development AG
    Inventors: Patrick Schwarzentruber, Nicola Di Maiuta
  • Patent number: 8176705
    Abstract: The present invention relates to a novel composite structure with enhanced toughness, which incorporates features mimicked from nacre (mother of pearl). The structure can be used in many industrial and clinical applications, including aeronautics (aircraft skin), the defense industry (armor materials); orthopedics and medical devices (tough, biocompatible coatings on prostheses) and micro-electro-mechanical systems (MEMS; increased reliability for critical components).
    Type: Grant
    Filed: October 30, 2011
    Date of Patent: May 15, 2012
    Assignee: Northwestern University
    Inventors: Horacio Dante Espinosa, François Barthelat
  • Publication number: 20120097072
    Abstract: Cementitious compositions and processes for preparing and using the cementitious compositions are provided. The cementitious compositions are characterized by the property of a reduced or an attenuated water vapor emission from a cementitious mix and a concrete formed therefrom.
    Type: Application
    Filed: July 15, 2010
    Publication date: April 26, 2012
    Applicant: U. S. Concrete, Inc.
    Inventors: Raymond C. Turpin, JR., Ryan A. Henkensiefken
  • Patent number: 8157009
    Abstract: Methods and compositions are provided that relate to cement compositions and methods comprising sub-micron calcium carbonate and latex. An embodiment includes a method of cementing in a subterranean formation. The method may comprise introducing a cement composition into the subterranean formation, wherein the cement composition comprises cement, water, sub-micron calcium carbonate, and latex. The method further may comprise allowing the cement composition to set in the subterranean formation. Another embodiment includes a cement composition that may comprise cement, water, a sub-micron calcium carbonate, and latex.
    Type: Grant
    Filed: September 3, 2009
    Date of Patent: April 17, 2012
    Assignee: Halliburton Energy Services Inc.
    Inventors: Rahul Chandrakant Patil, Abhijit Tarafdar, Abhimanyu Deshpande, Christopher L. Gordon
  • Publication number: 20120082839
    Abstract: Formed building materials comprising a sequestered CO2 are provided. The building materials of the invention include a composition comprising a carbonate/bicarbonate component. Additional aspects of the invention include methods of making and using the formed building materials.
    Type: Application
    Filed: October 31, 2011
    Publication date: April 5, 2012
    Inventors: Eric HA, Guillaume Calas, Peng Lu, Chris Camire, William Bourcier, Treavor Kendall
  • Publication number: 20120073474
    Abstract: Provided herein are compositions and methods including hydraulic cement, supplementary cementitious material, and/or self-cementing material. Methods for making the compositions and using the compositions are provided.
    Type: Application
    Filed: October 21, 2011
    Publication date: March 29, 2012
    Inventors: BRENT R. CONSTANTZ, Kasra Farsad, Chris Camire, Joshua Patterson, Matthew Ginder-Vogel, Karin Yaccato, John Stagnaro, Martin Devenney, Justin Ries
  • Patent number: 8137455
    Abstract: Provided herein are compositions and methods including hydraulic cement, supplementary cementitious material, and/or self-cementing material. Methods for making the compositions and using the compositions are provided.
    Type: Grant
    Filed: October 21, 2011
    Date of Patent: March 20, 2012
    Assignee: Calera Corporation
    Inventors: Brent R. Constantz, Kasra Farsad, Chris Camire, Joshua Patterson, Matthew Ginder-Vogel, Karin Yaccato, John Stagnaro, Martin Devenney, Justin Ries
  • Publication number: 20120061284
    Abstract: The invention relates to a composition for preparing a liquid mortar or concrete without adding water, to a method for preparing said composition, and to a kit including said composition.
    Type: Application
    Filed: February 24, 2010
    Publication date: March 15, 2012
    Inventors: Michel Pasquier, Damien Rogat
  • Publication number: 20120000396
    Abstract: Reduced-carbon footprint concrete compositions, and methods for making and using the same, are provided. Aspects of the reduced-carbon footprint concrete compositions include CO2-sequestering carbonate compounds, which may be present in the hydraulic cement and/or aggregate components of the concrete. The reduced-carbon footprint concrete compositions find use in a variety of applications, including use in a variety of building materials and building applications.
    Type: Application
    Filed: July 19, 2010
    Publication date: January 5, 2012
    Inventors: Brent R. CONSTANTZ, Andrew Youngs, Terence C. Holland
  • Publication number: 20110290156
    Abstract: CO2-sequestering formed building materials are provided. The building materials of the invention include a composition comprising a carbonate/bicarbonate component. Additional aspects of the invention include methods of making and using the CO2-sequestering formed building material.
    Type: Application
    Filed: July 26, 2011
    Publication date: December 1, 2011
    Inventors: Brent R. Constantz, Andrew Youngs, Terence C. Holland
  • Patent number: 8067078
    Abstract: The present invention relates to a novel composite structure with enhanced toughness, which incorporates features mimicked from nacre (mother of pearl). The structure can be used in many industrial and clinical applications, including aeronautics (aircraft skin), the defense industry (armor materials); orthopedics and medical devices (tough, biocompatible coatings on prostheses) and micro-electro-mechanical systems (MEMS; increased reliability for critical components).
    Type: Grant
    Filed: November 13, 2007
    Date of Patent: November 29, 2011
    Assignee: Northwestern University
    Inventors: Horacio Dante Espinosa, François Barthelat
  • Patent number: 8066813
    Abstract: A method of making a cementitious composition comprises (a) selecting at least one pozzolanic particulate material; (b) selecting and grinding at least one feldspar material to a fineness of at least 3000 Blaine; (c) mixing calcium oxide or calcium hydroxide with gypsum; (d) mixing the ground feldspar with the lime-gypsum mixture to produce an activator; (e) conditioning the pozzolanic particulate material with an aqueous solution; (f) adding the activator to the conditioned material to produce a slurry; and (g) curing the slurry in a sealed container. The pozzolanic particulate material can be slag, fly ash, or siliceous rock. A cementitious composition of the invention comprises a pozzolanic particulate material, a ground feldspar material, a lime compound and gypsum, and uses readily available materials, as an economic replacement for Portland cement, fly ash or other materials in filling, backfilling and paving, particularly for backfilling or stabilizing mine sites.
    Type: Grant
    Filed: February 24, 2009
    Date of Patent: November 29, 2011
    Assignee: Her Majesty the Queen in right of Canada, as represented by the Minister of Natural Resources
    Inventor: Allen Pratt
  • Publication number: 20110277474
    Abstract: Provided herein are methods and systems for sequestering carbon dioxide from a multi-component gaseous stream, such as flue gas from natural gas-burning power plant to produce a protonated carbonate. Also provided herein are methods and systems for electrochemically producing proton-removing agents to form a deprotonated carbonate from the protonated carbonate. The electrochemical process may consume less energy than the amount of energy generated during production of the multi-component gaseous stream.
    Type: Application
    Filed: June 10, 2011
    Publication date: November 17, 2011
    Inventors: BRENT R. CONSTANTZ, Ryan J. Gilliam
  • Publication number: 20110239906
    Abstract: New photocatalytic product comprising compounds of titanium integrated with limestone. The product is obtained by reacting limestone with a suitable precursor of titanium dioxide in a basic solution, followed by accurately washing the solid obtained, drying it and calcining it. A composite is obtained containing limestone, titanium dioxide and calcium titanate. The composite thus obtained, used as such or in mixture with other components, has shown an unexpectedly high photocatalytic activity.
    Type: Application
    Filed: July 31, 2009
    Publication date: October 6, 2011
    Inventors: Renato Ancora, Massimo Borsa, Maurizio Marchi
  • Publication number: 20110232394
    Abstract: There are provided a method by which a stress history of an object can be measured with high reliability if the object, which has temporarily been elastically deformed upon receiving an external force, recovers from the elastic deformation, and a composite material containing cement as a main component, of which a stress history can be measured with high reliability without reducing the strength of the material itself and without breaking the structure. To achieve the above-mentioned advantages, the method includes the steps of: acquiring an initial value of a twin density for calcite particles contained in an object to be measured that is elastically deformable upon receiving an external force; and measuring a history of stresses received by the object to be measured on the basis of a difference from the initial value in respect of the twin density for the calcite particles after the object to be measured receives the external force.
    Type: Application
    Filed: November 17, 2008
    Publication date: September 29, 2011
    Inventors: Arito Sakaguchi, Hide Sakaguchi